commander in afghanistan on the future of the war and the decision to begin pulling out. the man accused of the worst war crimes in europe since the natsys shows nothing but contempt for justice. mark phillips has the pictures from the court. and on this fourth of july as the space shuttle program nears an end, jim axelrod asks "what happened to the flags on the moon?" >> it's beautiful. >> pelley: do those star spangled banners yet wave? captioning sponsored by cbs this is the "cbs evening news" with scott pelley. >> pelley: good evening, chantix is the most popular anti-smoking drug on the market with annual sales of nearly $800 million. but a study out today raises new safety questions about it. chantix has already been linked to an increased risk of suicidal thoughts and now to a higher risk of heart disease we asked dr. jon lapook to tell us what we need to know about these new findings. >> reporter: today's study is worrisome news for the more than seven million americans who have taken chantix. a new analysis links the pill to a 72% increase in the risk of heart pr